For an ups(uninterruptible power supply) what is the meaning of its input & output power factor?
W Thread Starter wkyong Joined Apr 29, 2008 33 May 1, 2008 #1 For an ups(uninterruptible power supply) what is the meaning of its input & output power factor?
Papabravo Joined Feb 24, 2006 21,225 May 1, 2008 #2 It is the cosine of the phase angle between the current and voltage waveforms.